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130 | #!/usr/bin/env python3
"""Generates a static code browser (/browse/) for the public git site.
Reads HEAD of the repo it's run in; writes dir indexes + escaped file pages.
Pure stdlib — runs anywhere publish-repo.sh runs.
"""
import html
import subprocess
import sys
from pathlib import Path
# Syntax highlighting is a build-time nicety: with Pygments installed the
# pages ship pre-colored static HTML (no JS, no CDN); without it they fall
# back to plain escaped <pre>.
try:
from pygments import highlight
from pygments.formatters import HtmlFormatter
from pygments.lexers import TextLexer, guess_lexer_for_filename
from pygments.util import ClassNotFound
FORMATTER = HtmlFormatter(style="github-dark", linenos="table", classprefix="pyg-")
PYG_CSS = "<style>" + FORMATTER.get_style_defs(".highlight") + """
.highlight{background:var(--panel)!important;border:1px solid var(--border);border-radius:10px;padding:10px 6px;overflow-x:auto}
.highlight pre{background:none!important;border:none;padding:2px 8px}
.highlight table{border-spacing:0} .highlight .linenos pre{color:#4d5666;user-select:none;text-align:right}
</style>"""
except ImportError: # pragma: no cover
highlight = None
PYG_CSS = ""
OUT = Path(sys.argv[1]) / "browse"
STYLE = """<style>
:root{--bg:#0d1117;--panel:#161b22;--border:#262c36;--text:#e6edf3;--muted:#8b949e;--accent:#3fb68b}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;padding:28px 16px}
main{max-width:920px;margin:0 auto}
h1{font-size:19px;margin-bottom:14px;color:var(--accent)}
h1 a{color:var(--muted);text-decoration:none} h1 a:hover{color:var(--accent)}
ul{list-style:none;background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden}
li{border-bottom:1px solid var(--border)} li:last-child{border-bottom:none}
li a{display:flex;justify-content:space-between;padding:9px 14px;color:var(--text);text-decoration:none}
li a:hover{background:var(--border)} li .sz{color:var(--muted);font-size:12.5px}
pre{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;font:12.8px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;tab-size:2}
.crumb{margin-bottom:12px;font-size:13.5px}.crumb a{color:var(--accent);text-decoration:none}
.muted{color:var(--muted);font-size:13px;margin:10px 0}
</style>"""
def sh(*args: str) -> bytes:
return subprocess.check_output(args)
def crumbs(path: str, is_file: bool) -> str:
parts = path.split("/") if path else []
dirparts = parts[:-1] if is_file else parts
depth = len(dirparts) # directories between browse/ and this page's directory
out = [f'<a href="{"../" * depth or "./"}index.html">sueta</a>']
for i, p in enumerate(dirparts):
out.append(f'<a href="{"../" * (depth - 1 - i)}index.html">{html.escape(p)}</a>')
if is_file and parts:
out.append(html.escape(parts[-1]))
return " / ".join(out)
entries = [
line.split("\t", 1)
for line in sh("git", "ls-tree", "-r", "--long", "HEAD").decode().splitlines()
]
files = [] # (path, size)
for meta, path in entries:
size = meta.split()[3]
files.append((path, int(size) if size.isdigit() else 0))
dirs: dict[str, list] = {"": []}
for path, size in files:
parts = path.split("/")
for i in range(len(parts) - 1):
d = "/".join(parts[: i + 1])
parent = "/".join(parts[:i])
dirs.setdefault(d, [])
if ("d", parts[i]) not in [(t, n) for t, n, *_ in dirs[parent]]:
dirs[parent].append(("d", parts[i]))
dirs["/".join(parts[:-1])].append(("f", parts[-1], size, path))
for d, items in dirs.items():
out = OUT / d / "index.html"
out.parent.mkdir(parents=True, exist_ok=True)
rows = []
if d:
rows.append('<li><a href="../index.html">../</a></li>')
for it in sorted(items, key=lambda x: (x[0] != "d", x[1])):
if it[0] == "d":
rows.append(f'<li><a href="{html.escape(it[1])}/index.html">{html.escape(it[1])}/</a></li>')
else:
_, name, size, _p = it
rows.append(
f'<li><a href="{html.escape(name)}.html">{html.escape(name)}<span class="sz">{size:,} B</span></a></li>'
)
title = html.escape(d or "sueta")
out.write_text(
f'<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">'
f"<title>{title}</title>{STYLE}<main><div class=crumb>{crumbs(d, False)}</div>"
f'<h1>{title or "sueta"}/</h1><ul>{"".join(rows)}</ul>'
f'<p class=muted>static mirror of HEAD · <a style="color:var(--accent)" href="{"../" * (d.count("/") + (1 if d else 0))}../index.html">about</a> · clone: <code>git clone https://git-chat.ardegazu.ro/sueta.git</code></p></main>'
)
for path, size in files:
out = OUT / (path + ".html")
out.parent.mkdir(parents=True, exist_ok=True)
blob = sh("git", "show", f"HEAD:{path}")
extra = ""
if b"\0" in blob[:8000]:
body = f'<p class="muted">binary file · {size:,} bytes</p>'
else:
text = blob.decode("utf-8", "replace")
body = f"<pre>{html.escape(text)}</pre>"
if highlight is not None:
try:
lexer = guess_lexer_for_filename(path, text)
except ClassNotFound:
lexer = TextLexer()
body = highlight(text, lexer, FORMATTER)
extra = PYG_CSS
name = html.escape(path.rsplit("/", 1)[-1])
out.write_text(
f'<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">'
f"<title>{name}</title>{STYLE}{extra}<main><div class=crumb>{crumbs(path, True)}</div>{body}</main>"
)
print(f"browse: {len(files)} files, {len(dirs)} dirs")
|